List of top Mechanical Engineering Questions

A refrigerator unit weighing 300 N is to be supported by three springs of stiffness of 10.26 kN/mm each. If the unit operates at 580 r.p.m., what should be the value of the spring constant $k$ if only 10% of the shaking force of the unit is to be transmitted to the supporting structure?
The condition for maximum power transmission by an open belt drive considering centrifugal tension is:
(T = max. tension, \( T_C \) = centrifugal tension)
Brayton cycle is used in:
Which property of mercury is the main reason for its use in barometers?
Kelvin-Planck's law deals with:
Compression ratio of diesel cycle is:
Investment casting uses pattern made of:
A flexible manufacturing system may be:
Which dimensionless number represents the ratio of inertial to viscous forces in forced convection?
Control volume refers to a:
The ratio of applied load to instantaneous cross section area is called
Rankine cycle is used in:
Highest thermal conductivity is of
IS specifies which of the following total number of grades of tolerances?
Availability is:
If two bodies one light and other heavy have equal kinetic energies, which one has a greater momentum?
Second law introduces the concept of:
In hot working:
Nusselt number is the ratio of:
In laminar pipe flow, head loss varies with:
Rankine's theory of failure is applicable for which of the following type of materials?
The elastic region in a stress-strain diagram corresponds to:
In gears, interference takes place when:
The range of projectile is maximum when the angle of projection is:
Whirling speed of a shaft coincide with the natural frequency of the: